/* ============================================================
   TANSIQ ULTRA — Architectural Lighting
   Design system: light emerging from black
   Palette:  #000000 · #cbf205 (acid-lime) · #bdbec0 (cool grey)
   ============================================================ */

:root{
  --black:#000000;
  --ink:#050505;
  --panel:#0a0a0a;
  --panel-2:#101010;
  --lime:#cbf205;
  --lime-dim:#9fb804;
  --grey:#bdbec0;
  --grey-dim:#6e6f72;
  --line:rgba(189,190,192,.14);
  --line-strong:rgba(189,190,192,.28);
  --glow:rgba(203,242,5,.55);

  --f-display:"Clash Display","Space Grotesk",-apple-system,sans-serif;
  --f-body:"Space Grotesk",-apple-system,"Segoe UI",sans-serif;
  --f-ar-display:"Tajawal","Space Grotesk",sans-serif;
  --f-ar-body:"Tajawal",sans-serif;

  --f:var(--f-body);
  --f-h:var(--f-display);

  --wrap:1240px;
  --gutter:clamp(20px,5vw,72px);
  --nav-h:76px;

  --ease:cubic-bezier(.19,1,.22,1);
  --ease-2:cubic-bezier(.65,.05,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  background:var(--black);
  color:var(--grey);
  font-family:var(--f);
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.005em;
}

/* language / direction */
html[lang="ar"]{--f:var(--f-ar-body);--f-h:var(--f-ar-display)}
html[lang="ar"] body{letter-spacing:0;line-height:1.85}
[dir="rtl"] .flip{transform:scaleX(-1)}

::selection{background:var(--lime);color:#000}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---- utility ---- */
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter);width:100%}
.lime{color:var(--lime)}
.mono{font-variant-numeric:tabular-nums;letter-spacing:.02em}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* lang visibility */
.ar{display:none}
html[lang="ar"] .en{display:none}
html[lang="ar"] .ar{display:revert}

/* =========================================================
   GRAIN + AMBIENT FIELD
   ========================================================= */
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.045;mix-blend-mode:screen;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================
   NAVBAR
   ========================================================= */
.nav{
  position:fixed;top:0;inset-inline:0;height:var(--nav-h);z-index:100;
  display:flex;align-items:center;
  transition:background .5s var(--ease),border-color .5s var(--ease),backdrop-filter .5s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(0,0,0,.72);backdrop-filter:blur(14px) saturate(1.4);
  border-bottom-color:var(--line);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--f-h);font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;font-size:.82rem;color:#fff}
.brand svg{width:30px;height:30px;flex:none}
.brand b{color:var(--lime);font-weight:600}
html[lang="ar"] .brand{letter-spacing:.02em;text-transform:none;font-size:1rem}
/* logo in header (animated) + footer (static) */
.brand-logo{position:relative;width:46px;height:46px;flex:none;display:grid;place-items:center;overflow:visible}
.brand-anim{width:100%;height:100%;object-fit:contain;pointer-events:none;
  filter:drop-shadow(0 0 8px rgba(203,242,5,.45))}
@media(prefers-reduced-motion:reduce){.brand-anim{filter:none}}
.footer .brand-logo{width:38px;height:38px}

.nav-links{display:flex;align-items:center;gap:clamp(14px,2vw,30px);list-style:none}
.nav-links a{
  font-size:.8rem;letter-spacing:.04em;color:var(--grey);position:relative;
  padding:6px 0;transition:color .3s;white-space:nowrap;
}
html[lang="ar"] .nav-links a{font-size:.92rem}
.nav-links a::after{
  content:"";position:absolute;bottom:0;inset-inline-start:0;height:1px;width:0;
  background:var(--lime);transition:width .4s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}

.nav-right{display:flex;align-items:center;gap:16px}
.lang-toggle{
  display:flex;align-items:center;gap:7px;border:1px solid var(--line-strong);
  border-radius:100px;padding:7px 15px;font-size:.74rem;letter-spacing:.08em;color:#fff;
  transition:border-color .3s,background .3s;font-family:var(--f-body);
}
.lang-toggle:hover{border-color:var(--lime);background:rgba(203,242,5,.06)}
.lang-toggle .dot{width:5px;height:5px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px var(--glow)}

.burger{display:none;width:34px;height:22px;position:relative}
.burger span{position:absolute;inset-inline:0;height:2px;background:#fff;transition:.4s var(--ease)}
.burger span:nth-child(1){top:0}
.burger span:nth-child(2){top:10px}
.burger span:nth-child(3){top:20px}
.burger.open span:nth-child(1){top:10px;transform:rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){top:10px;transform:rotate(-45deg)}

@media(max-width:900px){
  .nav-links{
    position:fixed;inset:var(--nav-h) 0 auto 0;flex-direction:column;gap:0;
    background:rgba(0,0,0,.96);backdrop-filter:blur(20px);
    padding:10px var(--gutter) 30px;transform:translateY(-140%);
    transition:transform .6s var(--ease);border-bottom:1px solid var(--line);
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links li{width:100%;border-bottom:1px solid var(--line)}
  .nav-links a{display:block;padding:18px 0;font-size:1rem}
  .burger{display:block}
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  --pad:15px 30px;
  display:inline-flex;align-items:center;gap:12px;padding:var(--pad);
  font-family:var(--f-body);font-size:.82rem;letter-spacing:.09em;text-transform:uppercase;
  border-radius:100px;position:relative;overflow:hidden;transition:color .4s,transform .3s;
  font-weight:500;
}
html[lang="ar"] .btn{text-transform:none;letter-spacing:.01em;font-family:var(--f-ar-body);font-weight:700}
.btn .arw{transition:transform .4s var(--ease)}
.btn-primary{background:var(--lime);color:#000}
.btn-primary::before{content:"";position:absolute;inset:0;background:#fff;transform:translateY(101%);transition:transform .5s var(--ease);z-index:-1}
.btn-primary:hover::before{transform:translateY(0)}
.btn-primary:hover .arw{transform:translateX(5px)}
[dir="rtl"] .btn-primary:hover .arw{transform:translateX(-5px)}
.btn-ghost{border:1px solid var(--line-strong);color:#fff}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-ghost:hover .arw{transform:translateX(5px)}
[dir="rtl"] .btn-ghost:hover .arw{transform:translateX(-5px)}

/* =========================================================
   SECTION SHELL + HEADINGS
   ========================================================= */
section{position:relative;z-index:2}
.section{padding-block:clamp(90px,12vw,160px)}
.section-head{margin-bottom:clamp(48px,6vw,80px);max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;font-size:.72rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--lime);margin-bottom:22px;font-family:var(--f-body);
}
html[lang="ar"] .eyebrow{letter-spacing:.1em;font-family:var(--f-ar-body);font-weight:700}
.eyebrow .num{color:var(--grey-dim)}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--lime);box-shadow:0 0 10px var(--glow)}

h1,h2,h3,h4{font-family:var(--f-h);color:#fff;font-weight:600;line-height:1.06;letter-spacing:-.02em}
html[lang="ar"] :is(h1,h2,h3,h4){letter-spacing:0;line-height:1.28;font-weight:700}
.h-xl{font-size:clamp(2.6rem,7vw,6rem)}
.h-lg{font-size:clamp(2rem,4.6vw,3.6rem)}
.h-md{font-size:clamp(1.5rem,2.6vw,2.2rem)}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--grey);line-height:1.75;max-width:60ch}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  min-height:100svh;position:relative;display:flex;align-items:center;
  padding-top:var(--nav-h);overflow:hidden;
}
/* --- slider background --- */
.slider{position:absolute;inset:0;z-index:0;overflow:hidden}
.slide{position:absolute;inset:0;opacity:0;transform:scale(1.08);
  background-size:cover;background-position:center;background-repeat:no-repeat;
  transition:opacity 1.4s var(--ease),transform 7s linear;will-change:opacity,transform}
.slide.is-active{opacity:1;transform:scale(1)}
.hero-scrim{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.25) 30%,rgba(0,0,0,.5) 70%,rgba(0,0,0,.85) 100%)}
[dir="rtl"] .hero-scrim{background:linear-gradient(180deg,rgba(0,0,0,.5) 0%,rgba(0,0,0,.2) 30%,rgba(0,0,0,.45) 70%,rgba(0,0,0,.85) 100%),linear-gradient(270deg,rgba(0,0,0,.7) 0%,transparent 55%)}
html:not([dir="rtl"]) .hero-scrim{background:linear-gradient(180deg,rgba(0,0,0,.5) 0%,rgba(0,0,0,.2) 30%,rgba(0,0,0,.45) 70%,rgba(0,0,0,.85) 100%),linear-gradient(90deg,rgba(0,0,0,.7) 0%,transparent 55%)}

.hero-emblem{position:absolute;top:50%;left:6%;transform:translateY(-50%);
  width:min(240px,22vw);z-index:2;opacity:1;pointer-events:none;object-fit:contain;
  filter:saturate(1.25) drop-shadow(0 0 50px rgba(203,242,5,.35))}
@media(max-width:900px){.hero-emblem{display:none}}

.hero-glow{position:absolute;left:50%;top:40%;transform:translate(-50%,-50%);
  width:min(680px,90vw);aspect-ratio:1;border-radius:50%;z-index:1;pointer-events:none;
  background:radial-gradient(circle,rgba(203,242,5,.14),transparent 62%);filter:blur(24px);
  animation:breathe 7s var(--ease) infinite}
@keyframes breathe{50%{transform:translate(-50%,-50%) scale(1.12);opacity:.7}}

.hero .wrap{position:relative;z-index:3;width:100%}
.hero-inner{max-width:900px}
.hero-eyebrow{margin-bottom:22px;opacity:0;animation:fadeUp .8s var(--ease) .2s forwards;font-size:.82rem}

/* slide text crossfade */
.hero-slides-text{position:relative}
.hero-text{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s var(--ease)}
.hero-text.is-active{position:relative;opacity:1;visibility:visible}
.hero h1{margin-bottom:26px;font-size:clamp(2.5rem,5.6vw,4.6rem);line-height:1.05}
html[lang="ar"] .hero h1{font-size:clamp(2.4rem,5.2vw,4.4rem);line-height:1.2}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line span{display:block;transform:translateY(115%);animation:riseIn 1s var(--ease) forwards}
.hero-text.is-active h1 .line:nth-child(2) span{animation-delay:.1s}
.hero-text:not(.is-active) h1 .line span{animation:none;transform:none}
@keyframes riseIn{to{transform:translateY(0)}}
.hero-sub{max-width:52ch;margin-bottom:0;font-size:clamp(1.05rem,1.5vw,1.28rem);line-height:1.65}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-top:36px;opacity:0;animation:fadeUp .9s var(--ease) .55s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

/* slider UI */
.slider-ui{position:absolute;bottom:132px;inset-inline-start:var(--gutter);z-index:4;
  display:flex;align-items:center;gap:18px}
.slider-arrow{width:46px;height:46px;border:1px solid var(--line-strong);border-radius:50%;
  display:grid;place-items:center;color:#fff;font-size:1.1rem;transition:.35s var(--ease)}
.slider-arrow:hover{border-color:var(--lime);color:var(--lime);background:rgba(203,242,5,.06)}
.slider-dots{display:flex;gap:10px;align-items:center}
.slider-dots .dot{width:9px;height:9px;border-radius:50%;background:transparent;
  border:1px solid var(--grey-dim);transition:.35s var(--ease);padding:0}
.slider-dots .dot.is-active{background:var(--lime);border-color:var(--lime);
  box-shadow:0 0 12px var(--glow);width:26px;border-radius:6px}
@media(max-width:700px){.slider-ui{bottom:auto;top:calc(var(--nav-h) + 14px);inset-inline-start:var(--gutter)}}

.hero-strip{
  position:absolute;bottom:0;inset-inline:0;z-index:3;border-top:1px solid var(--line);
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.6));
}
.hero-strip .wrap{display:flex;gap:0;flex-wrap:wrap}
.hero-strip .cell{flex:1;min-width:160px;padding:22px 0;padding-inline-end:30px;
  border-inline-start:1px solid var(--line);padding-inline-start:24px;opacity:0;
  animation:fadeUp .8s var(--ease) forwards}
.hero-strip .cell:nth-child(1){animation-delay:.8s}
.hero-strip .cell:nth-child(2){animation-delay:.92s}
.hero-strip .cell:nth-child(3){animation-delay:1.04s}
.hero-strip .cell:nth-child(4){animation-delay:1.16s}
.hero-strip .cell b{display:block;font-family:var(--f-h);color:#fff;font-size:1.5rem;font-weight:600;letter-spacing:-.02em}
.hero-strip .cell small{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--grey-dim)}
html[lang="ar"] .hero-strip .cell small{letter-spacing:.02em;text-transform:none}

.scroll-hint{position:absolute;bottom:120px;inset-inline-end:var(--gutter);z-index:3;
  writing-mode:vertical-rl;font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;
  color:var(--grey-dim);display:flex;align-items:center;gap:14px}
[dir="rtl"] .scroll-hint{writing-mode:vertical-lr}
.scroll-hint::after{content:"";width:1px;height:50px;background:linear-gradient(var(--lime),transparent);animation:scrollLine 2s ease-in-out infinite}
@keyframes scrollLine{0%,100%{transform:scaleY(.4);opacity:.4}50%{transform:scaleY(1);opacity:1}}
@media(max-width:700px){.scroll-hint{display:none}}

/* =========================================================
   REVEAL SYSTEM (scroll)
   ========================================================= */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}
.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}
  .hero h1 .line span,.hero-sub,.hero-cta,.hero-strip .cell{animation:none!important;opacity:1;transform:none}}

/* =========================================================
   ABOUT / SPLIT
   ========================================================= */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:44px}}
.split p+p{margin-top:20px}
.figure{position:relative;border-radius:6px;overflow:hidden;isolation:isolate}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.5));pointer-events:none}
.figure:hover img{transform:scale(1.05)}
.figure .tag{position:absolute;bottom:18px;inset-inline-start:18px;z-index:2;font-size:.72rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--lime);background:rgba(0,0,0,.5);
  padding:8px 14px;border:1px solid var(--line-strong);backdrop-filter:blur(6px);border-radius:4px}
html[lang="ar"] .figure .tag{letter-spacing:.02em;text-transform:none}

/* =========================================================
   VISION / MISSION
   ========================================================= */
.vm-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
@media(max-width:760px){.vm-grid{grid-template-columns:1fr}}
.vm-cell{background:var(--ink);padding:clamp(30px,4vw,52px);position:relative;overflow:hidden}
.vm-cell::before{content:"";position:absolute;top:0;inset-inline-start:0;width:0;height:2px;background:var(--lime);transition:width .8s var(--ease);box-shadow:0 0 14px var(--glow)}
.vm-cell.in::before{width:70%}
.vm-cell h3{margin-bottom:16px}
.vm-cell .k{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--lime);display:block;margin-bottom:20px}
html[lang="ar"] .vm-cell .k{letter-spacing:.06em;text-transform:none}

.values{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-top:1px}
@media(max-width:760px){.values{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.values{grid-template-columns:1fr}}
.value{background:var(--ink);padding:30px 26px;transition:background .5s}
.value:hover{background:var(--panel-2)}
.value .vn{font-family:var(--f-h);font-size:.8rem;color:var(--grey-dim);letter-spacing:.1em}
.value b{display:block;color:#fff;font-family:var(--f-h);font-weight:600;font-size:1.15rem;margin-top:14px}
.value small{color:var(--grey);font-size:.86rem}

/* =========================================================
   WHY — feature cards
   ========================================================= */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:20px}
.why-card{
  background:linear-gradient(180deg,var(--panel-2),var(--ink));
  border:1px solid var(--line);border-radius:10px;padding:clamp(28px,3vw,38px);
  position:relative;overflow:hidden;transition:transform .5s var(--ease),border-color .5s;
}
.why-card:hover{transform:translateY(-6px);border-color:rgba(203,242,5,.4)}
.why-card::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at var(--mx,50%) var(--my,0%),rgba(203,242,5,.1),transparent 45%);opacity:0;transition:opacity .5s}
.why-card:hover::after{opacity:1}
.why-ic{width:52px;height:52px;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:12px;margin-bottom:24px;color:var(--lime);transition:.5s}
.why-card:hover .why-ic{background:var(--lime);color:#000;box-shadow:0 0 30px var(--glow)}
.why-ic svg{width:24px;height:24px}
.why-card h4{font-size:1.22rem;margin-bottom:12px}
.why-card p{font-size:.94rem;color:var(--grey)}
.why-num{position:absolute;top:22px;inset-inline-end:26px;font-family:var(--f-h);
  font-size:.9rem;color:var(--grey-dim);letter-spacing:.1em}

/* =========================================================
   SERVICES — running marquee + list
   ========================================================= */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding-block:24px;margin-bottom:70px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:0;width:max-content;animation:scrollX 32s linear infinite}
[dir="rtl"] .marquee-track{animation-direction:reverse}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scrollX{to{transform:translateX(-50%)}}
.marquee-track span{font-family:var(--f-h);font-size:clamp(1.6rem,3vw,2.6rem);font-weight:600;
  color:transparent;-webkit-text-stroke:1px var(--grey-dim);padding-inline:34px;white-space:nowrap;
  display:flex;align-items:center;gap:34px;transition:color .3s,-webkit-text-stroke-color .3s}
.marquee-track span::after{content:"✦";-webkit-text-stroke:0;color:var(--lime);font-size:1.1rem}
.marquee-track span:hover{color:var(--lime);-webkit-text-stroke-color:var(--lime)}

.svc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.svc{background:var(--ink);padding:26px 28px;display:flex;align-items:center;gap:20px;
  transition:background .4s;position:relative}
.svc:hover{background:var(--panel-2)}
.svc .idx{font-family:var(--f-h);font-size:.8rem;color:var(--lime);min-width:34px;letter-spacing:.06em}
.svc .nm{color:#fff;font-weight:500;flex:1}
.svc .go{color:var(--grey-dim);transition:transform .4s,color .4s}
.svc:hover .go{color:var(--lime);transform:translateX(6px)}
[dir="rtl"] .svc:hover .go{transform:translateX(-6px)}

/* =========================================================
   PROCESS — vertical timeline
   ========================================================= */
.proc{position:relative;padding-inline-start:34px}
[dir="rtl"] .proc{padding-inline-start:0;padding-inline-end:34px}
.proc::before{content:"";position:absolute;inset-inline-start:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(var(--lime),var(--line));transform-origin:top;}
[dir="rtl"] .proc::before{inset-inline-start:auto;inset-inline-end:6px}
.proc-step{position:relative;padding-block:26px 40px;padding-inline-start:44px}
[dir="rtl"] .proc-step{padding-inline-start:0;padding-inline-end:44px}
.proc-step::before{content:"";position:absolute;inset-inline-start:-1px;top:32px;width:14px;height:14px;
  border-radius:50%;background:#000;border:2px solid var(--lime);box-shadow:0 0 0 4px #000,0 0 16px var(--glow);
  transition:transform .5s var(--ease)}
[dir="rtl"] .proc-step::before{inset-inline-start:auto;inset-inline-end:-1px}
.proc-step:hover::before{transform:scale(1.4)}
.proc-step .pn{font-family:var(--f-h);font-size:.78rem;color:var(--lime);letter-spacing:.2em}
.proc-step h4{font-size:1.35rem;margin:10px 0}
.proc-step p{color:var(--grey);max-width:56ch;font-size:.95rem}

/* =========================================================
   PROJECTS
   ========================================================= */
.proj-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.proj{position:relative;overflow:hidden;border-radius:8px;isolation:isolate;min-height:280px;
  border:1px solid var(--line);background:var(--ink)}
.proj.big{grid-column:span 8;min-height:440px}
.proj.small{grid-column:span 4;min-height:440px}
.proj.wide{grid-column:span 6}
@media(max-width:820px){.proj,.proj.big,.proj.small,.proj.wide{grid-column:span 12;min-height:300px}}
.proj img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform 1.2s var(--ease),filter 1.2s;filter:grayscale(.3) brightness(.7)}
.proj:hover img{transform:scale(1.06);filter:grayscale(0) brightness(.85)}
.proj-body{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;
  padding:30px;background:linear-gradient(180deg,transparent 30%,rgba(0,0,0,.85))}
.proj .cat{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--lime);margin-bottom:10px}
html[lang="ar"] .proj .cat{letter-spacing:.04em;text-transform:none}
.proj h4{font-size:1.3rem}
.proj .meta{font-size:.82rem;color:var(--grey);margin-top:6px}
.proj-line{position:absolute;top:0;inset-inline-start:0;height:2px;width:0;background:var(--lime);
  box-shadow:0 0 14px var(--glow);transition:width .6s var(--ease);z-index:3}
.proj:hover .proj-line{width:100%}

/* =========================================================
   CTA BANNER
   ========================================================= */
.cta-band{position:relative;overflow:hidden;border-radius:14px;border:1px solid var(--line);
  padding:clamp(48px,7vw,90px) var(--gutter);text-align:center;
  background:radial-gradient(120% 140% at 50% 0%,rgba(203,242,5,.14),transparent 55%),var(--ink)}
.cta-band h2{margin-bottom:20px}
.cta-band .lead{margin-inline:auto;margin-bottom:34px}
.cta-band .btn{margin-inline:auto}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,80px)}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.field{margin-bottom:22px}
.field label{display:block;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--grey-dim);margin-bottom:10px}
html[lang="ar"] .field label{letter-spacing:.02em;text-transform:none}
.field input,.field textarea,.field select{width:100%;background:var(--ink);border:1px solid var(--line);
  border-radius:8px;padding:15px 18px;color:#fff;font-family:inherit;font-size:1rem;
  transition:border-color .3s,box-shadow .3s;resize:vertical}
.field select{appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23cbf205' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 18px center;padding-right:44px}
[dir="rtl"] .field select{background-position:left 18px center;padding-right:18px;padding-left:44px}
.field select option{background:#0a0a0a;color:#fff}
.field input[type="date"]{color-scheme:dark}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--lime);
  box-shadow:0 0 0 3px rgba(203,242,5,.1)}
.field textarea{min-height:130px}
.contact-info{display:flex;flex-direction:column;gap:2px}
.ci{padding:24px 0;border-bottom:1px solid var(--line)}
.ci .k{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--lime);margin-bottom:8px;display:block}
html[lang="ar"] .ci .k{letter-spacing:.04em;text-transform:none}
.ci .v{color:#fff;font-size:1.1rem;font-family:var(--f-h)}
.ci a.v:hover{color:var(--lime)}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{border-top:1px solid var(--line);padding-block:70px 40px;position:relative;z-index:2;background:var(--ink)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:56px}
@media(max-width:760px){.footer-top{grid-template-columns:1fr;gap:34px}}
.footer .brand{margin-bottom:20px}
.footer p{max-width:38ch;font-size:.92rem}
.footer h5{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--grey-dim);margin-bottom:20px}
html[lang="ar"] .footer h5{letter-spacing:.04em;text-transform:none}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer ul a{font-size:.92rem;color:var(--grey);transition:color .3s}
.footer ul a:hover{color:var(--lime)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
  padding-top:30px;border-top:1px solid var(--line);font-size:.8rem;color:var(--grey-dim)}
.footer-bottom .socials{display:flex;gap:14px}
.footer-bottom .socials a{width:36px;height:36px;border:1px solid var(--line);border-radius:50%;
  display:grid;place-items:center;transition:.4s}
.footer-bottom .socials a:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-3px)}
.design-credit{font-size:.8rem;color:var(--grey-dim)}
.design-credit a{color:var(--lime);font-weight:600;letter-spacing:.04em;transition:opacity .3s;position:relative}
.design-credit a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:center;transition:transform .35s var(--ease)}
.design-credit a:hover::after{transform:scaleX(1)}

/* =========================================================
   PAGE HEADER (inner pages)
   ========================================================= */
.page-hero{padding-top:calc(var(--nav-h) + clamp(70px,10vw,130px));padding-bottom:clamp(50px,7vw,90px);
  position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .glow{position:absolute;top:-30%;inset-inline-end:-10%;width:600px;aspect-ratio:1;
  background:radial-gradient(circle,rgba(203,242,5,.12),transparent 60%);filter:blur(30px);z-index:0}
.page-hero .wrap{position:relative;z-index:2}
.crumb{font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey-dim);margin-bottom:24px}
html[lang="ar"] .crumb{letter-spacing:.02em;text-transform:none}
.crumb a:hover{color:var(--lime)}
.crumb b{color:var(--lime)}

/* progress bar */
.progress{position:fixed;top:0;inset-inline-start:0;height:2px;width:0;background:var(--lime);
  z-index:200;box-shadow:0 0 12px var(--glow)}

/* cursor glow (desktop) */
.cursor-glow{position:fixed;width:340px;height:340px;border-radius:50%;pointer-events:none;z-index:1;
  transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(203,242,5,.06),transparent 65%);
  transition:opacity .4s;mix-blend-mode:screen}
@media(hover:none){.cursor-glow{display:none}}

/* loader */
.loader{position:fixed;inset:0;z-index:500;background:#000;display:grid;place-items:center;
  transition:opacity .7s var(--ease),visibility .7s}
.loader.done{opacity:0;visibility:hidden}
.loader-mark{width:70px;height:70px;animation:pulse 1.4s var(--ease) infinite}
@keyframes pulse{50%{transform:scale(.8);opacity:.5}}

/* =========================================================
   RESPONSIVE — mobile, tablet, desktop
   ========================================================= */
/* anchor targets clear the fixed nav */
section[id]{scroll-margin-top:calc(var(--nav-h) + 14px)}

/* Tablet */
@media(max-width:1024px){
  :root{--nav-h:70px}
  .h-xl{font-size:clamp(2.4rem,6.4vw,4.4rem)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .proc-step{padding-block:22px 34px}
  .hero-emblem{width:200px;inset-inline-end:3%}
}

/* Below tablet: single-column process, stacked splits */
@media(max-width:860px){
  .split{grid-template-columns:1fr!important;gap:40px}
  .split > div[style*="sticky"]{position:static!important}
  .proc{padding-inline-start:30px}
  [dir="rtl"] .proc{padding-inline-start:0;padding-inline-end:30px}
}

/* Mobile */
@media(max-width:640px){
  :root{--gutter:20px}
  body{font-size:15px}
  .hero{min-height:auto;padding-top:calc(var(--nav-h) + 40px);padding-bottom:200px}
  .hero-inner{max-width:100%}
  .slide.is-active{opacity:1}
  .hero-slides-text{min-height:210px}
  .hero-text{position:absolute}
  .hero-text.is-active{position:absolute}
  .hero h1{font-size:clamp(2.1rem,9vw,3rem)}
  .hero-sub{font-size:1rem}
  .hero-cta{margin-top:24px}
  .hero-cta .btn{flex:1;justify-content:center;min-width:0}
  .why-grid{grid-template-columns:1fr}
  .hero-strip .cell{min-width:50%;flex:0 0 50%;padding-inline-start:16px;padding-inline-end:12px}
  .hero-strip .cell b{font-size:1.2rem}
  .hero-strip .cell:nth-child(1),.hero-strip .cell:nth-child(2){border-bottom:1px solid var(--line)}
  .marquee-track span{font-size:1.5rem;padding-inline:20px;gap:20px}
  .cta-band{padding:44px 22px}
  .slider-ui{gap:12px}
  .slider-arrow{width:40px;height:40px}
  .proj-body{padding:22px}
  .h-lg{font-size:clamp(1.8rem,7vw,2.4rem)}
  .section-head{margin-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:16px}
}

/* very small */
@media(max-width:380px){
  .brand span{font-size:.72rem}
  .lang-toggle{padding:6px 12px}
}

/* landscape phones: let hero breathe */
@media(max-height:560px) and (max-width:900px){
  .hero{padding-bottom:150px}
  .hero-strip{position:static;margin-top:30px}
}